Home / 4,785.44-7,160.13-4,299.85

Finding the Fourth Proportional to 4,785.44, 7,160.13 and 4,299.85

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Solution

The fourth proportional to 4,785.44, 7,160.13 and 4,299.85 is: 6,433.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.44 : 7,160.13 = 4,299.85 : x
  2. Step 2: Convert to fraction form
    4,785.44/7,160.13 = 4,299.85/x
  3. Step 3: Cross multiply
    4,785.44x = 7,160.13 × 4,299.85
  4. Step 4: Simplify right side
    4,785.44x = 30,787,467.08
  5. Step 5: Solve for x
    x = 30,787,467.08/4,785.44
  6. Step 6: Final answer
    x = 6,433.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.